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/*
* Copyright (C) 2014 The CyanogenMod Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.cyanogenmod.themes.provider.util;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.ThemeConfig;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.view.View;
import android.widget.ImageView;
import org.cyanogenmod.themes.provider.R;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class BootAnimationPreviewGenerator {
public static final String SYSTEM_BOOT_ANI_PATH = "/system/media/bootanimation.zip";
public static final String THEME_BOOT_ANI_PATH = "bootanimation/bootanimation.zip";
private Context mContext;
public BootAnimationPreviewGenerator(Context context) {
mContext = context;
}
public Bitmap generateBootAnimationPreview(String pkgName)
throws IOException, PackageManager.NameNotFoundException {
ZipInputStream zis;
String previewName;
if (ThemeConfig.SYSTEM_DEFAULT.equals(pkgName)) {
previewName = getPreviewFrameEntryName(new FileInputStream(SYSTEM_BOOT_ANI_PATH));
zis = new ZipInputStream(new FileInputStream(SYSTEM_BOOT_ANI_PATH));
} else {
final Context themeCtx = mContext.createPackageContext(pkgName, 0);
previewName = getPreviewFrameEntryName(themeCtx.getAssets().open(THEME_BOOT_ANI_PATH));
zis = new ZipInputStream(themeCtx.getAssets().open(THEME_BOOT_ANI_PATH));
}
ZipEntry ze;
Bitmap bmp = null;
while ((ze = zis.getNextEntry()) != null) {
final String entryName = ze.getName();
if (entryName.equals(previewName)) {
bmp = BitmapFactory.decodeStream(zis);
break;
}
}
zis.close();
View v = View.inflate(mContext, R.layout.bootanimation_preview, null);
ImageView iv = (ImageView) v.findViewById(R.id.preview);
iv.setImageBitmap(bmp);
return LayoutRenderUtils.renderViewToBitmap(v);
}
private String getPreviewFrameEntryName(InputStream is) throws IOException {
ZipInputStream zis = (is instanceof ZipInputStream) ? (ZipInputStream) is
: new ZipInputStream(new BufferedInputStream(is));
ZipEntry ze;
String previewName = null;
long max = 0;
while ((ze = zis.getNextEntry()) != null) {
final String entryName = ze.getName();
if (entryName.contains("/")
&& (entryName.endsWith(".png") || entryName.endsWith(".jpg"))) {
if(ze.getSize() > max) {
previewName = entryName;
max = ze.getSize();
}
}
}
zis.close();
return previewName;
}
}
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